Flow Controller 3
R e v. : F e b u r a r y 9 , 2 0 1 6
28
G e o t h e r m a l H e a t P u m p S y s t e m s
Table 6d: Polyethylene Pressure Drop per 100ft of Pipe
Antifreeze (30°F [-1°C] EWT): 25% Ethylene by volume solution - freeze protected to 15°F [-9.4°F]
Flow
Rate
3/4” IPS SDR11
1” IPS SDR11
1-1/4” IPS SCH40
1-1/2” IPS SCH40
2” IPS SCH40
PD (ft)
Vel
(ft/s)
Re
(ft)
Vel
(ft/s)
Re
PD (ft)
Vel
(ft/s)
Re
PD
Vel
(ft/s)
Re
PD
Vel
(ft/s)
Re
1
0.40
0.55
1048
0.16
0.35
837
0.06
0.22
664
0.04
0.17
580
0.02
0.11
464
2
0.81
1.10
2096
0.33
0.70
1674
0.13
0.44
1328
0.08
0.34
1160
0.03
0.22
928
3
2.57
1.66
3144
0.68
1.06
2511
0.20
0.66
1991
0.11
0.51
1740
0.05
0.32
1392
4
4.24
2.21
4192
1.47
1.41
3348
0.42
0.89
2655
0.17
0.68
2320
0.06
0.43
1856
5
6.19
2.76
5241
2.15
1.76
4185
0.72
1.11
3319
0.36
0.85
2900
0.09
0.54
2320
6
8.45
3.31
6289
2.93
2.11
5022
0.99
1.33
3983
0.52
1.01
3480
0.17
0.65
2783
7
11.00
3.87
7337
3.81
2.47
5859
1.28
1.55
4646
0.68
1.18
4060
0.24
0.76
3247
8
13.84
4.42
8385
4.79
2.82
6695
1.61
1.77
5310
0.85
1.35
4640
0.30
0.87
3711
9
16.96
4.97
9433
5.86
3.17
7532
1.96
1.99
5974
1.04
1.52
5220
0.36
0.97
4175
10
20.34
5.52
10481
7.02
3.52
8369
2.35
2.22
6638
1.25
1.69
5800
0.44
1.08
4639
11
23.99
6.08
11529
8.27
3.87
9206
2.77
2.44
7301
1.47
1.86
6380
0.51
1.19
5103
12
27.90
6.63
12577
9.61
4.23
10043
3.21
2.66
7965
1.70
2.03
6960
0.59
1.30
5567
13
32.07
7.18
13625
11.04
4.58
10880
3.69
2.88
8629
1.95
2.20
7540
0.68
1.41
6031
14
12.55
4.93
11717
4.19
3.10
9293
2.22
2.37
8120
0.77
1.51
6495
15
14.15
5.28
12554
4.72
3.32
9956
2.50
2.54
8701
0.87
1.62
6959
16
15.83
5.63
13391
5.28
3.54
10620
2.79
2.71
9281
0.97
1.73
7423
17
17.59
5.99
14228
5.86
3.77
11284
3.10
2.88
9861
1.08
1.84
7886
18
19.43
6.34
15065
6.47
3.99
11948
3.42
3.04
10441
1.19
1.95
8350
19
21.35
6.69
15902
7.11
4.21
12611
3.75
3.21
11021
1.30
2.06
8814
20
23.35
7.04
16739
7.77
4.43
13275
4.10
3.38
11601
1.43
2.16
9278
21
8.46
4.65
13939
4.46
3.55
12181
1.55
2.27
9742
22
9.17
4.87
14603
4.84
3.72
12761
1.68
2.38
10206
23
9.91
5.09
15266
5.23
3.89
13341
1.81
2.49
10670
24
10.67
5.32
15930
5.63
4.06
13921
1.95
2.60
11134
25
11.46
5.54
16594
6.04
4.23
14501
2.10
2.71
11598
26
12.27
5.76
17258
6.47
4.40
15081
2.24
2.81
12062
28
13.97
6.20
18585
7.36
4.74
16241
2.55
3.03
12989
30
15.76
6.65
19913
8.30
5.07
17401
2.88
3.25
13917
32
17.65
7.09
21240
9.30
5.41
18561
3.22
3.46
14845
34
10.34
5.75
19721
3.58
3.68
15773
36
11.43
6.09
20881
3.95
3.90
16701
38
12.56
6.43
22041
4.34
4.11
17629
40
13.75
6.77
23201
4.75
4.33
18556
42
14.98
7.10
24361
5.17
4.54
19484
44
5.61
4.76
20412
46
6.07
4.98
21340
48
6.54
5.19
22268
50
7.02
5.41
23195
Pressure Drop